---
title: "Jacuzzi Toilet Replacement Parts — $110K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/jacuzzi-toilet-replacement-parts"
last_updated: "2026-08-10T14:27:04.789Z"
locale: en
meta:
description: "Niche score 43/100 · $110K/yr market · 29K searches/yr · $23.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · $110K/yr market · 29K searches/yr · $23.52 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Jacuzzi Toilet Replacement Parts — $110K/yr Amazon US Niche (2026) - Flapen"
---
# **jacuzzi toilet replacement parts**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 26Growth 47Conversion 97Competition 5Returns 66Price range 80Avg price 95Brand share 0Review moat 26Quality gap 52
**Conversion**
**Incredible****15.9%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$23.52**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.05–$36.93**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.4%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+17.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$110K**
$110K/yr · 29K searches
**Review moat**
**Okay****3,882.43**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****94%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, jacuzzi toilet replacement parts is a $110K/yr Amazon United States market (29K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **jacuzzi toilet replacement parts market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$94K–$118K**
- units × avg price
- **Conversion rate**
- **15.9%**
- **Avg BSR**
- **#164**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **57%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **147 days**
## **Competition & brand share**
The top 5 products capture 94% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**65**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**94%**
Top 20: 100%
**Open market**
**0%**
- TOTO53% - Korky31% - Lychee Light9% - EZ-FLUID4% - Fluidmaster3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +17.3% search growth over the last 90 days.
2K1KPrime Day '25Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/jacuzzi-toilet-replacement-parts/trend)
## **Top jacuzzi toilet replacement parts search terms**
- **toto fill valve**9K/yr+32.8%12.2% conv. - **toto fill valve replacement**10K/yr+4.6%11.3% conv. - **toto anti siphon 528**3K/yr+24.8%14.1% conv. - **toto toilet fill valve**3K/yr+30.7%14.4% conv. - **toto universal fill valve**2K/yr+18.4%21.6% conv. - **toto toilet fill valve replacement**3K/yr-13.6%11.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/jacuzzi-toilet-replacement-parts/search-terms)
## **Top jacuzzi toilet replacement parts products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%15%$16K30%$33K45%$49K60%$66K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 7 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TOTO Adjustable Replacement Fill Valve Assembly for Toilet Tanks**TOTO**$35.32**4.6★708 rev](https://www.amazon.com/dp/B0C3NB83Y2) [2**Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA Black**Korky**$20.99**4.5★1,803 rev](https://www.amazon.com/dp/B000FCINB6) [3**Lychee Light Toilet Fill Valve Compatible With TOTO Vintage Supply Valve With G3/4 Connection Equipped With G1/2 Adapter Filter & Supply Tube WC Replacement Part Repair Accessory**Lychee Light**$30.51**3.9★20 rev](https://www.amazon.com/dp/B0DHBZD8D6) [4**Korky QuietFILL Platinum Toilet Fill Valve - Universal Fits 99% of Toilets - Easy Height Adjust for Fast Install 528MP**Korky**$10.05**4.5★6,568 rev](https://www.amazon.com/dp/B004TKTX14) [5**Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Repair Kit Inside Tank Parts Replace TSU99A.X and All other TOTO Toilets (1)**EZ-FLUID**$36.93**4.5★236 rev](https://www.amazon.com/dp/B09CJ39R79)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Lychee Light Toilet Fill Valve Compatible With TOTO Vintage Supply Valve With G3/4 Connection Equipped With G1/2 Adapter Filter & Supply Tube WC Replacement Part Repair Accessory**Lychee Light**$30.51**20 rev1y ago](https://www.amazon.com/dp/B0DHBZD8D6) [**TOTO Adjustable Replacement Fill Valve Assembly for Toilet Tanks**TOTO**$35.32**708 rev3y ago](https://www.amazon.com/dp/B0C3NB83Y2) [**Genuine TOTO USA Made Korky 528GT Blue Universal Toilet Fill Valve Replacement Assembly Repair Kit Inside Tank Parts Replace TSU99A.X and All other TOTO Toilets (1)**EZ-FLUID**$36.93**236 rev4y ago](https://www.amazon.com/dp/B09CJ39R79) [**Korky QuietFILL 2X Long Life Toilet Fill Valve - Easy Height Adjust**Korky**$15.96**946 rev5y ago](https://www.amazon.com/dp/B08YS8C6WD) [**Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control 1-Pack Multicolor**Fluidmaster**$14.89**16,896 rev7y ago](https://www.amazon.com/dp/B07N7BH94Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**TOTO Adjustable Replacement Fill Valve Assembly for Toilet Tanks**TOTO**$35.32**4.6★**▲ 20%**](https://www.amazon.com/dp/B0C3NB83Y2) [**Korky QuietFILL 2X Long Life Toilet Fill Valve - Easy Height Adjust**Korky**$15.96**4.5★**▲ 13%**](https://www.amazon.com/dp/B08YS8C6WD) [**Lychee Light Toilet Fill Valve Compatible With TOTO Vintage Supply Valve With G3/4 Connection Equipped With G1/2 Adapter Filter & Supply Tube WC Replacement Part Repair Accessory**Lychee Light**$30.51**3.9★**▲ 13%**](https://www.amazon.com/dp/B0DHBZD8D6) [**Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control 1-Pack Multicolor**Fluidmaster**$14.89**4.6★**— 4%**](https://www.amazon.com/dp/B07N7BH94Q) [**Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA Black**Korky**$20.99**4.5★**▼ 22%**](https://www.amazon.com/dp/B000FCINB6)
**~~View all trending →~~**
## **What buyers say about jacuzzi toilet replacement parts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**28%
*“Easy fix”*
**Size-Overall**8%
*“It fit perfectly”*
**Value For Money**7%
*“Good price”*
**Efficiency**7%
*“Surprising how much better the toilet works now”*
**Quality-Overall**7%
*“The build quality feels solid”*
**Advertised Vs Actual Product**6%
*“As described”*
**Ease Of Use**5%
*“Easy as pie”*
**Instructions/User Manual/Troubleshooting**5%
*“Clear instructions”*
**Leak-Proof**3%
*“Works fine and doesn't leak”*
**Adjustability/Rotatability/Reclining**3%
*“Very adjustable”*
### **What buyers complain about **
**Leak-Proof**17%
*“It leaks”*
**Noise Level**13%
*“Random noises”*
**Durability**11%
*“broke almost instantly”*
**Quality-Overall**8%
*“Low quality product”*
**Functionality-Overall**5%
*“Has never worked properly”*
**Assembly/Installation**4%
*“Tricky to install”*
**Design-Overall**3%
*“I found it hard to believe that was a design flaw”*
**Water Resistance**2%
*“water keeps running, not working properly”*
**Size-Overall**2%
*“Tube that comes with product does not fit onto the product”*
**Defective Material/Parts**2%
*“Cheap part came in pieces”*
### **Top return reasons **
**Size-Overall**25%
**Leak-Proof**18%
**Defective Material/Parts**11%
**Functionality-Overall**9%
**Compatibility-Overall**7%
**Value For Money**6%
**Advertised Vs Actual Product**4%
**Assembly/Installation**3%
**Product Condition**3%
**Noise Level**2%
## **Common questions**
- **Is jacuzzi toilet replacement parts profitable to sell on Amazon United States?**
- The niche generates $110K/yr across 7 tracked products. 90-day search growth is +17.3%. Flapen's verdict: Skip it (43/100).
- **How competitive is the jacuzzi toilet replacement parts niche?**
- 5 brands and 65 sellers compete. The top 5 products take 94% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in jacuzzi toilet replacement parts?**
- Top complaints mined from reviews: Leak-Proof, Noise Level, Durability. The return rate is 2.4%.
- **When does demand for jacuzzi toilet replacement parts peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the jacuzzi toilet replacement parts niche?**
- Listings span $10.05–$36.93; the average listing price is $23.52 (sweet spot $15–$100). The average incumbent carries 3,882 reviews — the moat a new listing must climb.
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